From patchwork Fri Dec 30 15:25:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aaron Conole X-Patchwork-Id: 18732 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 27868689B; Fri, 30 Dec 2016 16:27:15 +0100 (CET) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id E4D512C6D for ; Fri, 30 Dec 2016 16:26:23 +0100 (CET) Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3D3AA4E048 for ; Fri, 30 Dec 2016 15:26:23 +0000 (UTC) Received: from dhcp-25-97.bos.redhat.com (unused [10.10.52.171] (may be forged)) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uBUFQLtW031288 for ; Fri, 30 Dec 2016 10:26:22 -0500 From: Aaron Conole To: dev@dpdk.org Date: Fri, 30 Dec 2016 10:25:59 -0500 Message-Id: <1483111580-5397-3-git-send-email-aconole@redhat.com> In-Reply-To: <1483111580-5397-1-git-send-email-aconole@redhat.com> References: <1483111580-5397-1-git-send-email-aconole@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Fri, 30 Dec 2016 15:26:23 +0000 (UTC) Subject: [dpdk-dev] [RFC 02/23] eal: return error instead of panic for cpu init X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" There may be a way to gracefully recover; at least the application should be notified that a failure happened, rather than completely aborting. Signed-off-by: Aaron Conole --- lib/librte_eal/linuxapp/eal/eal.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c index 16dd5b9..330f416 100644 --- a/lib/librte_eal/linuxapp/eal/eal.c +++ b/lib/librte_eal/linuxapp/eal/eal.c @@ -766,8 +766,11 @@ rte_eal_init(int argc, char **argv) /* set log level as early as possible */ rte_set_log_level(internal_config.log_level); - if (rte_eal_cpu_init() < 0) - rte_panic("Cannot detect lcores\n"); + if (rte_eal_cpu_init() < 0) { + RTE_LOG (ERR, EAL, "Cannot detect lcores\n"); + errno = ENOTSUP; + return -1; + } fctret = eal_parse_args(argc, argv); if (fctret < 0)